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densk [106]
3 years ago
11

HELP QUICK Remove grouping symbols and combine like terms. 4a2 - 3[2b - 3b(b - 1)]

Mathematics
2 answers:
kvasek [131]3 years ago
8 0
Answer:
4a^2 - 15b + 9b^2

Step by step explanation:
makkiz [27]3 years ago
3 0

Answer:

4a^{2}  + 9b^{2}  + 3b

Step-by-step explanation:

Distributive Property

4a^2 - 3(2b - 3b^{2}   +  3b)

Distributive Property

{4a}^{2}  - 6b  + 9b^{2}  + 9b

Combine Like Terms

4a^{2}  + 9b^{2}  + 3b

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Select all the common denominators for 8/3 and 5/6 .......12, 24, 32, 36, 48
BabaBlast [244]
Hello.

The answer to your question is = 
12, 3 x 4 and 6 x 2.
24, 3 x 8 and 6 x  4.
36, 3 x 12 and 6 x 6.
48, 3 x 16 and 6 x 8.

So it's pretty much everything except for 32.
Have a great day!
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Answer:

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Step-by-step explanation:

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Four times a number was 22 greater than twice the same number. What was the number?
Setler [38]

Answer: 11

Step-by-step explanation:

Set up an equation

Based on the question, we can determine that 4x = 22 + 2x where x in is the number

"Four times a number" -> <u>4x</u>

"was" -> <u>=</u>

"22 greater than" -> <u>22 +</u>

"twice the same number" -> <u>2x</u>

Put the underlined parts together to get <u>4x = 22 + 2x</u>

Solve equation

Rearrange/collect like terms to solve for x by subtracting 2x from both sides

4x = 22 + 2x

2x = 22

Solve for x by dividing each side by 2

2x = 22

x = 11

Final Answer

x = 11

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